“After 26 days, and almost 350 million e-mail messages, only 28 sales resulted,” wrote the researchers.
The response rate for this campaign was less than 0.00001%. This is far below the average of 2.15% reported by legitimate direct mail organisations.
“Taken together, these conversions would have resulted in revenues of $2,731.88–a bit over $100 a day for the measurement period,” said the researchers.
Scaling this up to the full Storm network the researchers estimate that the controllers of the vast system are netting about $7,000 (£4,430) a day or more than $2m (£1.28m) per year. Bron: BBC News